Here are many different versions of Bryce Harper's walk-off grand slam that completed the Phillies sweep of the Cubs.

Bryce Harper obliterated an inside fastball for a gargantuan walk-off grand slam to lead the Philadelphia Phillies to a dramatic comeback win against the Chicago Cubs in Philadelphia.

Bryce Harper reacts after hitting a walk-off grand slam against the Chicago Cubs. Mitchell Leff/Getty Images North America/Getty Images ...

Bryce Harper demolished a Derek Holland fastball for a walk-off grand slam, completing a three-game series sweep of the Cubs.

According to MLB researcher David Adler, Harper’s 113-mph grand slam reached a height of 158 feet and went a distance of 413 feet.

Read “Bryce Harper Hit A Walk-Off Grand Slam To The Freakin' Moon To Beat The Cubs (VIDEO) ” and other Chicago Cubs, MLB, Philadelphia Phillies articles from Total Pro Sports.

Bryce Harper's walk-off grand slam, the sixth of his career, lifted the Phillies to a 7-5 win over the Cubs on Thursday, and it was a moment the slugger will remember.

Bryce Harper Demolishes Walk-Off Grand Slam to Cap Phillies' Comeback Over Cubs The Phillies were down by five in the eighth inning.

The towering, game-winning grand slam Bryce Harper smacked Thursday night made for arguably his greatest moment yet as a member of the Philadelphia Phillies.